1 /* Common target dependent code for GNU/Linux on PPC systems. 2 3 Copyright (C) 2018-2019 Free Software Foundation, Inc. 4 5 This file is part of GDB. 6 7 This program is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3 of the License, or 10 (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 19 20 #ifndef ARCH_PPC_LINUX_COMMON_H 21 #define ARCH_PPC_LINUX_COMMON_H 22 23 struct target_desc; 24 25 /* The core file VMX regset has 34 16-byte fields (32 16-byte vector 26 registers, plus two fields containing 4-byte registers, VSCR and 27 VRSAVE), while the ptrace calls return or read 33 16-byte fields 28 plus a 4-byte field for VRSAVE. For simplicity we use the longer 29 length for both cases. */ 30 #define PPC_LINUX_SIZEOF_VRREGSET 544 31 32 #define PPC_LINUX_SIZEOF_VSXREGSET 256 33 #define PPC_LINUX_SIZEOF_PPRREGSET 8 34 #define PPC_LINUX_SIZEOF_DSCRREGSET 8 35 #define PPC_LINUX_SIZEOF_TARREGSET 8 36 #define PPC_LINUX_SIZEOF_EBBREGSET (3*8) 37 #define PPC_LINUX_SIZEOF_PMUREGSET (5*8) 38 #define PPC_LINUX_SIZEOF_TM_SPRREGSET (3*8) 39 #define PPC32_LINUX_SIZEOF_CGPRREGSET (48*4) 40 #define PPC64_LINUX_SIZEOF_CGPRREGSET (48*8) 41 #define PPC_LINUX_SIZEOF_CFPRREGSET (32*8+8) 42 #define PPC_LINUX_SIZEOF_CVMXREGSET (34*16) 43 #define PPC_LINUX_SIZEOF_CVSXREGSET (32*8) 44 #define PPC_LINUX_SIZEOF_CPPRREGSET 8 45 #define PPC_LINUX_SIZEOF_CDSCRREGSET 8 46 #define PPC_LINUX_SIZEOF_CTARREGSET 8 47 48 /* Check if the hwcap auxv entry indicates that isa205 is supported. */ 49 bool ppc_linux_has_isa205 (CORE_ADDR hwcap); 50 51 /* Features used to determine the target description. */ 52 struct ppc_linux_features 53 { 54 unsigned int wordsize; 55 bool altivec; 56 bool vsx; 57 bool isa205; 58 bool ppr_dscr; 59 bool isa207; 60 bool htm; 61 bool cell; 62 }; 63 64 /* Base value for ppc_linux_features variables. */ 65 const struct ppc_linux_features ppc_linux_no_features = { 66 0, 67 false, 68 false, 69 false, 70 false, 71 false, 72 false, 73 false, 74 }; 75 76 /* Return a target description that matches FEATURES. */ 77 const struct target_desc * ppc_linux_match_description 78 (struct ppc_linux_features features); 79 80 #endif /* ARCH_PPC_LINUX_COMMON_H */ 81